19371-ZY9-000 Honda Marine Water Jacket Packing | Genuine OEM Outboard Part

🔧 Product Description

Genuine Honda BF75D / BF80A / BF90D / BF100A Water Jacket Cover Gasket - Part Number: 19371-ZY9-000

A genuine Honda water-jacket cover packing for the later inline-four BF75D, BF80A, BF90D and BF100A outboard platform. It seals the internal-anode/water-jacket cover and prevents cooling-water loss from the cylinder-block passage.

⚙️ Key Features

• Genuine Honda ZY9 water-jacket sealing gasket
• Correct coolant-port and bolt-hole alignment
• Suitable for water-jacket inspection, anode replacement and cylinder-block service
• Single-use replacement for a previously compressed cover gasket

🚤 Compatibility

Commonly used on

• Honda BF75D
• Honda BF80A
• Honda BF90D
• Honda BF100A

Typically suits

• HP Range: 75-100 HP
• Engine Type: Inline four-cylinder EFI four-stroke outboard
• Year Range: 2007 onward, model and production revision dependent
• Serial / Identification Range: Common frame families include BF75D BBAJ, BF90D BBCJ and BF100A BBMJ. Confirm the complete frame serial and cylinder-block water-jacket diagram before ordering.

🔌 Function

Seals the water-jacket cover and internal-anode cavity so cooling water follows the intended path through the engine without leaking into the lower cowling.

⚠️ Common Signs of Failure

• Water or salt staining around the water-jacket cover
• Coolant-flow loss or corrosion around the internal-anode cavity
• Gasket is brittle, torn or permanently flattened
• Leak begins after internal-anode or water-jacket servicing

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 19371-ZY9-000 - current verified Honda service reference
• No later direct Honda supersession confirmed

OEM / Related Numbers

• 19371-ZY9-000
• 19371ZY9000

Aftermarket / Verified Equivalents

• No verified direct aftermarket equivalent

📦 Condition

• Genuine Honda Marine OEM part
• Brand new
• Supplied in genuine Honda or equivalent protective packaging